docs: update events docs

Author: Shimada666

README-zh.md

@@ -29,6 +29,7 @@
   - [Vue2](#Vue2)
 - [在线演示](#Demo)
 - [组件属性](#组件属性)
+- [组件事件](#组件事件)
 - [拓展高亮语言](#拓展高亮语言)
 - [从 0.x 版本迁移](#从-0x-版本迁移)
 
@@ -122,6 +123,12 @@ Vue.use(CodeDiff)
 | maxHeight      | 组件最大高度，例如 300px                                                                                                    | number  | -                         | undefined    |
 | filename       | 文件名                                                                                                                | string  | -                         | undefined    |
 
+## 组件事件
+| Name | Description | Type                                                                            |
+|------|-------------|---------------------------------------------------------------------------------|
+| diff | diff 完成后触发  | (result: {stat: { isChanged: boolean, addNum: number, delNum: number}}) => void |
+
+
 ## 拓展高亮语言
 
 为了减小打包后的体积，系统默认仅支持以下常用语言

README.md

@@ -28,6 +28,7 @@ This project references the following projects, and I would like to express my g
   - [Vue3](#Vue3)
   - [Vue2](#Vue2)
 - [Props](#Props)
+- [Events](#Events)
 - [Demo](#Demo)
 - [Extend languages](#extend-languages)
 - [Migrate from 0.x version](#Migrate-from-0x-version)
@@ -122,6 +123,12 @@ Not recommended, but the relevant capabilities are retained to facilitate migrat
 | maxHeight      | Maximum height of component, for example: 300px                                                                                                                         | string  | -                         | undefined     |
 | filename       | Filename                                                                                                                                                                | string  | -                         | undefined     |
 
+## Events
+| Name | Description                  | Type                                                                            |
+|------|------------------------------|---------------------------------------------------------------------------------|
+| diff | triggers when diff finished	 | (result: {stat: { isChanged: boolean, addNum: number, delNum: number}}) => void |
+
+
 ## Extend languages
 
 In order to reduce the size of the packaged file, the system only supports the following commonly used languages by